VB.Net/GUI/TabControl

Материал из VB Эксперт
Версия от 15:43, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
(разн.) ← Предыдущая | Текущая версия (разн.) | Следующая → (разн.)
Перейти к: навигация, поиск

Custom Tab control

<source lang="vbnet"> Imports System Imports System.Data Imports System.Windows.Forms Imports System.Drawing Imports System.Data.SqlClient public class MainClass

  Shared Sub Main()
      Dim form1 As Form = New Form1
      Application.Run(form1)
  End Sub

End Class

Public Class Form1

   Private Sub tabProject_DrawItem(ByVal sender As Object, _
    ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles tabProject.DrawItem
       Dim rect As Rectangle = e.Bounds
       If (e.State And DrawItemState.Selected) = DrawItemState.Selected Then
           rect.X += 4
           rect.Y += 4
           rect.Width -= 8
           rect.Height -= 8
       Else
           rect.X += 2
           rect.Y += 2
           rect.Width -= 4
           rect.Height -= 4
       End If
       Select Case e.Index
           Case 0
               e.Graphics.FillEllipse(Brushes.Green, rect)
           Case 1
               e.Graphics.FillEllipse(Brushes.Yellow, rect)
           Case 2
               e.Graphics.FillEllipse(Brushes.Red, rect)
       End Select
       If (e.State And DrawItemState.Selected) = DrawItemState.Selected Then
           e.Graphics.DrawEllipse( _
               New Pen(Color.Black, 3), _
               rect)
       Else
           e.Graphics.DrawEllipse(Pens.Black, rect)
       End If
   End Sub

End Class


<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _ Partial Public Class Form1

   Inherits System.Windows.Forms.Form
   "Form overrides dispose to clean up the component list.
   <System.Diagnostics.DebuggerNonUserCode()> _
   Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
       If disposing AndAlso components IsNot Nothing Then
           components.Dispose()
       End If
       MyBase.Dispose(disposing)
   End Sub
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.IContainer
   "NOTE: The following procedure is required by the Windows Form Designer
   "It can be modified using the Windows Form Designer.  
   "Do not modify it using the code editor.
   <System.Diagnostics.DebuggerStepThrough()> _
   Private Sub InitializeComponent()
       Me.tabProject = New System.Windows.Forms.TabControl
       Me.TabPage1 = New System.Windows.Forms.TabPage
       Me.TabPage2 = New System.Windows.Forms.TabPage
       Me.TabPage3 = New System.Windows.Forms.TabPage
       Me.tabProject.SuspendLayout()
       Me.SuspendLayout()
       "
       "tabProject
       "
       Me.tabProject.Controls.Add(Me.TabPage1)
       Me.tabProject.Controls.Add(Me.TabPage2)
       Me.tabProject.Controls.Add(Me.TabPage3)
       Me.tabProject.DrawMode = System.Windows.Forms.TabDrawMode.OwnerDrawFixed
       Me.tabProject.Location = New System.Drawing.Point(8, 8)
       Me.tabProject.Name = "tabProject"
       Me.tabProject.SelectedIndex = 0
       Me.tabProject.Size = New System.Drawing.Size(272, 200)
       Me.tabProject.TabIndex = 1
       "
       "TabPage1
       "
       Me.TabPage1.Location = New System.Drawing.Point(4, 22)
       Me.TabPage1.Name = "TabPage1"
       Me.TabPage1.Padding = New System.Windows.Forms.Padding(3)
       Me.TabPage1.Size = New System.Drawing.Size(264, 174)
       Me.TabPage1.TabIndex = 0
       Me.TabPage1.Text = "TabPage1"
       "
       "TabPage2
       "
       Me.TabPage2.Location = New System.Drawing.Point(4, 22)
       Me.TabPage2.Name = "TabPage2"
       Me.TabPage2.Padding = New System.Windows.Forms.Padding(3)
       Me.TabPage2.Size = New System.Drawing.Size(264, 174)
       Me.TabPage2.TabIndex = 1
       Me.TabPage2.Text = "TabPage2"
       "
       "TabPage3
       "
       Me.TabPage3.Location = New System.Drawing.Point(4, 22)
       Me.TabPage3.Name = "TabPage3"
       Me.TabPage3.Size = New System.Drawing.Size(264, 174)
       Me.TabPage3.TabIndex = 2
       Me.TabPage3.Text = "TabPage3"
       "
       "Form1
       "
       Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
       Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
       Me.ClientSize = New System.Drawing.Size(289, 217)
       Me.Controls.Add(Me.tabProject)
       Me.Name = "Form1"
       Me.Text = "UseTabControlOwnerDrawn"
       Me.tabProject.ResumeLayout(False)
       Me.ResumeLayout(False)
   End Sub
   Friend WithEvents tabProject As System.Windows.Forms.TabControl
   Friend WithEvents TabPage1 As System.Windows.Forms.TabPage
   Friend WithEvents TabPage2 As System.Windows.Forms.TabPage
   Friend WithEvents TabPage3 As System.Windows.Forms.TabPage

End Class

      </source>


Use Tab Control

<source lang="vbnet"> Imports System.Windows.Forms Module Module1

   Sub Main()
       Application.Run(New Form1)
   End Sub

End Module Public Class Form1

   Inherits System.Windows.Forms.Form
  1. Region " Windows Form Designer generated code "
   Public Sub New()
       MyBase.New()
       "This call is required by the Windows Form Designer.
       InitializeComponent()
       "Add any initialization after the InitializeComponent() call
   End Sub
   "Form overrides dispose to clean up the component list.
   Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
       If disposing Then
           If Not (components Is Nothing) Then
               components.Dispose()
           End If
       End If
       MyBase.Dispose(disposing)
   End Sub
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.IContainer
   "NOTE: The following procedure is required by the Windows Form Designer
   "It can be modified using the Windows Form Designer.  
   "Do not modify it using the code editor.
   Friend WithEvents TabControl1 As System.Windows.Forms.TabControl
   Friend WithEvents TabPage1 As System.Windows.Forms.TabPage
   Friend WithEvents TabPage2 As System.Windows.Forms.TabPage
   Friend WithEvents TabPage3 As System.Windows.Forms.TabPage
   Friend WithEvents TabPage4 As System.Windows.Forms.TabPage
   Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
   Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
   Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
   Friend WithEvents TextBox4 As System.Windows.Forms.TextBox
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.TabControl1 = New System.Windows.Forms.TabControl()
       Me.TabPage1 = New System.Windows.Forms.TabPage()
       Me.TextBox1 = New System.Windows.Forms.TextBox()
       Me.TabPage2 = New System.Windows.Forms.TabPage()
       Me.TextBox2 = New System.Windows.Forms.TextBox()
       Me.TabPage3 = New System.Windows.Forms.TabPage()
       Me.TextBox3 = New System.Windows.Forms.TextBox()
       Me.TabPage4 = New System.Windows.Forms.TabPage()
       Me.TextBox4 = New System.Windows.Forms.TextBox()
       Me.TabControl1.SuspendLayout()
       Me.TabPage1.SuspendLayout()
       Me.TabPage2.SuspendLayout()
       Me.TabPage3.SuspendLayout()
       Me.TabPage4.SuspendLayout()
       Me.SuspendLayout()
       "
       "TabControl1
       "
       Me.TabControl1.Controls.AddRange(New System.Windows.Forms.Control() {Me.TabPage1, Me.TabPage2, Me.TabPage3, Me.TabPage4})
       Me.TabControl1.Location = New System.Drawing.Point(48, 48)
       Me.TabControl1.Name = "TabControl1"
       Me.TabControl1.SelectedIndex = 0
       Me.TabControl1.Size = New System.Drawing.Size(288, 200)
       Me.TabControl1.TabIndex = 0
       "
       "TabPage1
       "
       Me.TabPage1.Controls.AddRange(New System.Windows.Forms.Control() {Me.TextBox1})
       Me.TabPage1.Location = New System.Drawing.Point(4, 22)
       Me.TabPage1.Name = "TabPage1"
       Me.TabPage1.Size = New System.Drawing.Size(280, 174)
       Me.TabPage1.TabIndex = 0
       Me.TabPage1.Text = "Visual Basic .Net"
       "
       "TextBox1
       "
       Me.TextBox1.Location = New System.Drawing.Point(8, 8)
       Me.TextBox1.Multiline = True
       Me.TextBox1.Name = "TextBox1"
       Me.TextBox1.Size = New System.Drawing.Size(264, 160)
       Me.TextBox1.TabIndex = 0
       Me.TextBox1.Text = ""
       "
       "TabPage2
       "
       Me.TabPage2.Controls.AddRange(New System.Windows.Forms.Control() {Me.TextBox2})
       Me.TabPage2.Location = New System.Drawing.Point(4, 22)
       Me.TabPage2.Name = "TabPage2"
       Me.TabPage2.Size = New System.Drawing.Size(280, 174)
       Me.TabPage2.TabIndex = 1
       Me.TabPage2.Text = "C# "
       "
       "TextBox2
       "
       Me.TextBox2.Location = New System.Drawing.Point(8, 8)
       Me.TextBox2.Multiline = True
       Me.TextBox2.Name = "TextBox2"
       Me.TextBox2.Size = New System.Drawing.Size(264, 160)
       Me.TextBox2.TabIndex = 0
       Me.TextBox2.Text = ""
       "
       "TabPage3
       "
       Me.TabPage3.Controls.AddRange(New System.Windows.Forms.Control() {Me.TextBox3})
       Me.TabPage3.Location = New System.Drawing.Point(4, 22)
       Me.TabPage3.Name = "TabPage3"
       Me.TabPage3.Size = New System.Drawing.Size(280, 174)
       Me.TabPage3.TabIndex = 2
       Me.TabPage3.Text = "HTML"
       "
       "TextBox3
       "
       Me.TextBox3.Location = New System.Drawing.Point(8, 8)
       Me.TextBox3.Multiline = True
       Me.TextBox3.Name = "TextBox3"
       Me.TextBox3.Size = New System.Drawing.Size(264, 160)
       Me.TextBox3.TabIndex = 0
       Me.TextBox3.Text = ""
       "
       "TabPage4
       "
       Me.TabPage4.Controls.AddRange(New System.Windows.Forms.Control() {Me.TextBox4})
       Me.TabPage4.Location = New System.Drawing.Point(4, 22)
       Me.TabPage4.Name = "TabPage4"
       Me.TabPage4.Size = New System.Drawing.Size(280, 174)
       Me.TabPage4.TabIndex = 3
       Me.TabPage4.Text = "Upgrading"
       "
       "TextBox4
       "
       Me.TextBox4.Location = New System.Drawing.Point(8, 8)
       Me.TextBox4.Multiline = True
       Me.TextBox4.Name = "TextBox4"
       Me.TextBox4.Size = New System.Drawing.Size(264, 160)
       Me.TextBox4.TabIndex = 0
       Me.TextBox4.Text = ""
       "
       "Form1
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(528, 389)
       Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.TabControl1})
       Me.Name = "Form1"
       Me.Text = "TabControlDemo"
       Me.TabControl1.ResumeLayout(False)
       Me.TabPage1.ResumeLayout(False)
       Me.TabPage2.ResumeLayout(False)
       Me.TabPage3.ResumeLayout(False)
       Me.TabPage4.ResumeLayout(False)
       Me.ResumeLayout(False)
   End Sub
  1. End Region
   Private Sub Form1_Activated(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Activated
       TextBox1.Text = "some text"
       TextBox2.Text = "some text"
       TextBox3.Text = "some text"
       TextBox4.Text = "some text"
   End Sub

End Class

      </source>


Using TabControl to display various font settings

<source lang="vbnet"> Imports System Imports System.Drawing Imports System.Windows.Forms Imports System.IO Public Class MainClass

  Shared Sub Main()
       Dim myform As Form = New FrmTabs()
       Application.Run(myform)
  End Sub " Main

End Class

Public Class FrmTabs

  Inherits Form
  1. Region " Windows Form Designer generated code "
  Public Sub New()
     MyBase.New()
     "This call is required by the Windows Form Designer.
     InitializeComponent()
     "Add any initialization after the InitializeComponent() call
  End Sub
  "Form overrides dispose to clean up the component list.
  Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
     If disposing Then
        If Not (components Is Nothing) Then
           components.Dispose()
        End If
     End If
     MyBase.Dispose(disposing)
  End Sub
  " output label reflects text changes
  Friend WithEvents lblDisplay As Label
  " table control containing table pages tbpColor,
  " tbpSize, tbpMessage and tbpAbout
  Friend WithEvents tbcTextOptions As TabControl
  " table page containing color options
  Friend WithEvents tbpColor As TabPage
  Friend WithEvents radBlack As RadioButton
  Friend WithEvents radRed As RadioButton
  Friend WithEvents radGreen As RadioButton
  " table page containing font size options
  Friend WithEvents tbpSize As TabPage
  Friend WithEvents radSize12 As RadioButton
  Friend WithEvents radSize16 As RadioButton
  Friend WithEvents radSize20 As RadioButton
  " table page containing text display options
  Friend WithEvents tbpMessage As TabPage
  Friend WithEvents radHello As RadioButton
  Friend WithEvents radGoodbye As RadioButton
  " table page containing about message
  Friend WithEvents tbpAbout As TabPage
  Friend WithEvents lblMessage As Label
  "Required by the Windows Form Designer
  Private components As System.ruponentModel.Container
  "NOTE: The following procedure is required by the Windows Form Designer
  "It can be modified using the Windows Form Designer.  
  "Do not modify it using the code editor.
  <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
     Me.radSize12 = New System.Windows.Forms.RadioButton()
     Me.radSize20 = New System.Windows.Forms.RadioButton()
     Me.radHello = New System.Windows.Forms.RadioButton()
     Me.lblDisplay = New System.Windows.Forms.Label()
     Me.tbpMessage = New System.Windows.Forms.TabPage()
     Me.radGoodbye = New System.Windows.Forms.RadioButton()
     Me.tbpAbout = New System.Windows.Forms.TabPage()
     Me.lblMessage = New System.Windows.Forms.Label()
     Me.radSize16 = New System.Windows.Forms.RadioButton()
     Me.tbpColor = New System.Windows.Forms.TabPage()
     Me.radGreen = New System.Windows.Forms.RadioButton()
     Me.radRed = New System.Windows.Forms.RadioButton()
     Me.radBlack = New System.Windows.Forms.RadioButton()
     Me.tbcTextOptions = New System.Windows.Forms.TabControl()
     Me.tbpSize = New System.Windows.Forms.TabPage()
     Me.tbpMessage.SuspendLayout()
     Me.tbpAbout.SuspendLayout()
     Me.tbpColor.SuspendLayout()
     Me.tbcTextOptions.SuspendLayout()
     Me.tbpSize.SuspendLayout()
     Me.SuspendLayout()
     "
     "radSize12
     "
     Me.radSize12.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
     Me.radSize12.Location = New System.Drawing.Point(16, 24)
     Me.radSize12.Name = "radSize12"
     Me.radSize12.TabIndex = 0
     Me.radSize12.Text = "12 point"
     "
     "radSize20
     "
     Me.radSize20.Location = New System.Drawing.Point(16, 104)
     Me.radSize20.Name = "radSize20"
     Me.radSize20.TabIndex = 2
     Me.radSize20.Text = "20 point"
     "
     "radHello
     "
     Me.radHello.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
     Me.radHello.Location = New System.Drawing.Point(16, 24)
     Me.radHello.Name = "radHello"
     Me.radHello.TabIndex = 0
     Me.radHello.Text = "Hello!"
     "
     "lblDisplay
     "
     Me.lblDisplay.Font = New System.Drawing.Font("Microsoft Sans Serif", 12.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
     Me.lblDisplay.Location = New System.Drawing.Point(16, 184)
     Me.lblDisplay.Name = "lblDisplay"
     Me.lblDisplay.Size = New System.Drawing.Size(272, 40)
     Me.lblDisplay.TabIndex = 1
     Me.lblDisplay.Text = "Hello!"
     Me.lblDisplay.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
     "
     "tbpMessage
     "
     Me.tbpMessage.Controls.AddRange(New System.Windows.Forms.Control() {Me.radGoodbye, Me.radHello})
     Me.tbpMessage.Location = New System.Drawing.Point(4, 22)
     Me.tbpMessage.Name = "tbpMessage"
     Me.tbpMessage.TabIndex = 2
     Me.tbpMessage.Text = "Message"
     "
     "radGoodbye
     "
     Me.radGoodbye.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
     Me.radGoodbye.Location = New System.Drawing.Point(16, 64)
     Me.radGoodbye.Name = "radGoodbye"
     Me.radGoodbye.TabIndex = 1
     Me.radGoodbye.Text = "Goodbye!"
     "
     "tbpAbout
     "
     Me.tbpAbout.Controls.AddRange(New System.Windows.Forms.Control() {Me.lblMessage})
     Me.tbpAbout.Location = New System.Drawing.Point(4, 22)
     Me.tbpAbout.Name = "tbpAbout"
     Me.tbpAbout.TabIndex = 3
     Me.tbpAbout.Text = "About"
     "
     "lblMessage
     "
     Me.lblMessage.Font = New System.Drawing.Font("Microsoft Sans Serif", 14.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
     Me.lblMessage.Location = New System.Drawing.Point(16, 16)
     Me.lblMessage.Name = "lblMessage"
     Me.lblMessage.Size = New System.Drawing.Size(248, 104)
     Me.lblMessage.TabIndex = 0
     Me.lblMessage.Text = "This is a tab page."
     "
     "radSize16
     "
     Me.radSize16.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
     Me.radSize16.Location = New System.Drawing.Point(16, 64)
     Me.radSize16.Name = "radSize16"
     Me.radSize16.TabIndex = 1
     Me.radSize16.Text = "16 point"
     "
     "tbpColor
     "
     Me.tbpColor.Controls.AddRange(New System.Windows.Forms.Control() {Me.radGreen, Me.radRed, Me.radBlack})
     Me.tbpColor.Location = New System.Drawing.Point(4, 22)
     Me.tbpColor.Name = "tbpColor"
     Me.tbpColor.TabIndex = 0
     Me.tbpColor.Text = "Color"
     "
     "radGreen
     "
     Me.radGreen.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
     Me.radGreen.Location = New System.Drawing.Point(16, 104)
     Me.radGreen.Name = "radGreen"
     Me.radGreen.TabIndex = 2
     Me.radGreen.Text = "Green"
     "
     "radRed
     "
     Me.radRed.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
     Me.radRed.Location = New System.Drawing.Point(16, 64)
     Me.radRed.Name = "radRed"
     Me.radRed.TabIndex = 1
     Me.radRed.Text = "Red"
     "
     "radBlack
     "
     Me.radBlack.Font = New System.Drawing.Font("Microsoft Sans Serif", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
     Me.radBlack.Location = New System.Drawing.Point(16, 24)
     Me.radBlack.Name = "radBlack"
     Me.radBlack.TabIndex = 0
     Me.radBlack.Text = "Black"
     "
     "tbcTextOptions
     "
     Me.tbcTextOptions.Controls.AddRange(New System.Windows.Forms.Control() {Me.tbpColor, Me.tbpSize, Me.tbpMessage, Me.tbpAbout})
     Me.tbcTextOptions.Location = New System.Drawing.Point(8, 8)
     Me.tbcTextOptions.Name = "tbcTextOptions"
     Me.tbcTextOptions.SelectedIndex = 0
     Me.tbcTextOptions.Size = New System.Drawing.Size(280, 168)
     Me.tbcTextOptions.TabIndex = 0
     "
     "tbpSize
     "
     Me.tbpSize.Controls.AddRange(New System.Windows.Forms.Control() {Me.radSize20, Me.radSize16, Me.radSize12})
     Me.tbpSize.Location = New System.Drawing.Point(4, 22)
     Me.tbpSize.Name = "tbpSize"
     Me.tbpSize.TabIndex = 1
     Me.tbpSize.Text = "Size"
     "
     "FrmTabs
     "
     Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
     Me.ClientSize = New System.Drawing.Size(292, 229)
     Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lblDisplay, Me.tbcTextOptions})
     Me.Name = "FrmTabs"
     Me.Text = "Using Tabs"
     Me.tbpMessage.ResumeLayout(False)
     Me.tbpAbout.ResumeLayout(False)
     Me.tbpColor.ResumeLayout(False)
     Me.tbcTextOptions.ResumeLayout(False)
     Me.tbpSize.ResumeLayout(False)
     Me.ResumeLayout(False)
  End Sub
  1. End Region
  Private Sub radBlack_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) _
     Handles radBlack.CheckedChanged
     lblDisplay.ForeColor = Color.Black
  End Sub
  Private Sub radRed_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) _
     Handles radRed.CheckedChanged
     lblDisplay.ForeColor = Color.Red
  End Sub
  Private Sub radGreen_CheckedChanged _
     (ByVal sender As System.Object, ByVal e As System.EventArgs) _
     Handles radGreen.CheckedChanged
     lblDisplay.ForeColor = Color.Green
  End Sub
  Private Sub radSize12_CheckedChanged( _
     ByVal sender As System.Object, ByVal e As System.EventArgs) _
     Handles radSize12.CheckedChanged
     lblDisplay.Font = New Font(lblDisplay.Font.Name, 12)
  End Sub
  Private Sub radSize16_CheckedChanged _
     (ByVal sender As System.Object, ByVal e As System.EventArgs) _
     Handles radSize16.CheckedChanged
     lblDisplay.Font = New Font(lblDisplay.Font.Name, 16)
  End Sub
  Private Sub radSize20_CheckedChanged _
     (ByVal sender As System.Object, ByVal e As System.EventArgs) _
     Handles radSize20.CheckedChanged
     lblDisplay.Font = New Font(lblDisplay.Font.Name, 20)
  End Sub
  Private Sub radHello_CheckedChanged _
     (ByVal sender As System.Object, ByVal e As System.EventArgs) _
     Handles radHello.CheckedChanged
     lblDisplay.Text = "Hello!"
  End Sub
  Private Sub radGoodbye_CheckedChanged _
     (ByVal sender As System.Object, ByVal e As System.EventArgs) _
     Handles radGoodbye.CheckedChanged
     lblDisplay.Text = "Goodbye!"
  End Sub

End Class

      </source>